2 files changed, 35 insertions, 10 deletions

diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index c40f81ba9b13..34dcb43a7837 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -1390,11 +1390,19 @@ xfs_vm_direct_IO(
 
         iocb->private = xfs_alloc_ioend(inode, IOMAP_UNWRITTEN);
 
-        ret = blockdev_direct_IO_own_locking(rw, iocb, inode,
-                iomap.iomap_target->bt_bdev,
-                iov, offset, nr_segs,
-                xfs_get_blocks_direct,
-                xfs_end_io_direct);
+        if (rw == WRITE) {
+                ret = blockdev_direct_IO_own_locking(rw, iocb, inode,
+                        iomap.iomap_target->bt_bdev,
+                        iov, offset, nr_segs,
+                        xfs_get_blocks_direct,
+                        xfs_end_io_direct);
+        } else {
+                ret = blockdev_direct_IO_no_locking(rw, iocb, inode,
+                        iomap.iomap_target->bt_bdev,
+                        iov, offset, nr_segs,
+                        xfs_get_blocks_direct,
+                        xfs_end_io_direct);
+        }
 
         if (unlikely(ret <= 0 && iocb->private))
                 xfs_destroy_ioend(iocb->private);
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 5d9cfd91ad08..ee788b1cb364 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -264,7 +264,9 @@ xfs_read(
                                         dmflags, &locktype);
                 if (ret) {
                         xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-                        goto unlock_mutex;
+                        if (unlikely(ioflags & IO_ISDIRECT))
+                                mutex_unlock(&inode->i_mutex);
+                        return ret;
                 }
         }
 
@@ -272,6 +274,9 @@ xfs_read(
                 bhv_vop_flushinval_pages(vp, ctooff(offtoct(*offset)),
                                                 -1, FI_REMAPF_LOCKED);
 
+        if (unlikely(ioflags & IO_ISDIRECT))
+                mutex_unlock(&inode->i_mutex);
+
         xfs_rw_enter_trace(XFS_READ_ENTER, &ip->i_iocore,
                                 (void *)iovp, segs, *offset, ioflags);
         ret = __generic_file_aio_read(iocb, iovp, segs, offset);
@@ -281,10 +286,6 @@ xfs_read(
                 XFS_STATS_ADD(xs_read_bytes, ret);
 
         xfs_iunlock(ip, XFS_IOLOCK_SHARED);
-
-unlock_mutex:
-        if (unlikely(ioflags & IO_ISDIRECT))
-                mutex_unlock(&inode->i_mutex);
         return ret;
 }
 
@@ -390,6 +391,8 @@ xfs_splice_write(
         xfs_inode_t             *ip = XFS_BHVTOI(bdp);
         xfs_mount_t             *mp = ip->i_mount;
         ssize_t                 ret;
+        struct inode            *inode = outfilp->f_mapping->host;
+        xfs_fsize_t             isize;
 
         XFS_STATS_INC(xs_write_calls);
         if (XFS_FORCED_SHUTDOWN(ip->i_mount))
@@ -416,6 +419,20 @@ xfs_splice_write(
         if (ret > 0)
                 XFS_STATS_ADD(xs_write_bytes, ret);
 
+        isize = i_size_read(inode);
+        if (unlikely(ret < 0 && ret != -EFAULT && *ppos > isize))
+                *ppos = isize;
+
+        if (*ppos > ip->i_d.di_size) {
+                xfs_ilock(ip, XFS_ILOCK_EXCL);
+                if (*ppos > ip->i_d.di_size) {
+                        ip->i_d.di_size = *ppos;
+                        i_size_write(inode, *ppos);
+                        ip->i_update_core = 1;
+                        ip->i_update_size = 1;
+                }
+                xfs_iunlock(ip, XFS_ILOCK_EXCL);
+        }
         xfs_iunlock(ip, XFS_IOLOCK_EXCL);
         return ret;
 }